Hole underneath trek rail thrushaft?

Dano78

Member
Dec 3, 2019
162
35
Uk
I've just removed my rear shock on my trek rail 9.8 2020 with thru shaft and thinking of changing the shock but there will be a hole there what have other people done as I can see into the hole and see wires is it okay just to leave it like that ?
 

Paul Mac

E*POWAH Elite World Champion
Patreon
Subscriber
Jul 9, 2018
999
1,047
Uk
Yes no problem leaving it, its there because the thu shaft piston actually sticks out of the shock body at full compression.
The hole will just act as a drain.
If you plug it, you will always have a little pool of water sitting there in wet weather.
 

alexiow

New Member
Dec 4, 2024
19
11
Isle of Wight
IMG_5240.jpeg


I just did the same thing and had the same question!

Thought I’d add a picture for context :)
 

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